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["["Ежед每日一题】Примен氢、加氢技术版"], ["Участие: награда в фортуне; Ответ правильный: награда 3 фортуны; Замечание: время действия этого сообщения составляет 48 часов. 判断题:最适宜的回流比是根据操作费用与设备折旧费用之和为最大的的原则来确定的。(  ) 答案: 错误"])

2020-03-15View Original

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参与:奖1财富;回答正确:奖3财富;注:此贴有效时间48小时。 https://bbs.hcbbs.com/static/image/hrline/2.gif 判断题:最适宜的回流比是根据操作费用与设备折旧费用之和为最大的原则来确定的。(  ) 答案: 错误

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